Parkinson's disease: the selection of patients for stereotaxic thalamic surgery.
D000368:Aged; D003949:Diagnostic Techniques, Surgical; D006801:Humans; D008875:Middle Aged; D010300:Parkinson Disease / Q000175:diagnosis / Q000601:surgery*; D013238:Stereotaxic Techniques; D013788:Thalamus / Q000601:surgery*